Recovery forgot password Redmi Note 3 MTK

First of all, download SP-Flash-Tool ROM

Download Here

Must use Window 7 to do that below steps.

Install via SP-Flash-Tool (Locked bootloader = re-flash the mobile ROM)

Install device drivers for your operating system ( that is difficult part, MUST reboot the PC.)
Open folder SP-FLASH-TOOL-V.5.1532.00
Run flash_tool.exe as administrator 
Select download agent (DA_SWSEC.bin)
Select scatter in "images"

UNCHECK PRELOADER
BE SURE that only is checked this three files: "system" "userdata" "boot" (Don't check "userdata" if you are upgrading from V7.3.3.0.LHMMIDD. Check "userdata" ONLY IF YOU WANT TO DO A CLEAN INSTALL! DO A FULL BACKUP OF YOUR INTERNAL STORAGE BEFORE IT!!!)

Press download
Turn off mobile phone
Press vol- and connect to your PC with original cable ( good quality cable )
When red bar appear, wait 5 secs and unpress vol- (see yellow bar in 9-12 secs)
Wait to 100% (yellow bar)
Disconnect mobile phone of your PC
Reboot, wait a moment ......and look at mobile screen.

IMPORTANT: ON FIRST INSTALL OR CLEAN INSTALL, TO GET GLOBAL LOCALES WORKING (NO RESET TO CHINA LOCALE AFTER REBOOT BUG) ON SP-FLASH-TOOL VERSION, YOU NEED TO FLASH USERDATA (KEEP IT CHECKED IN SP-FLASH-TOOL) AND THIS WILL WIPE YOUR INTERNAL STORAGE! DO A FULL BACKUP BEFORE INSTALL!


Reference :

ROM] [MIUI Device Team][Ported] MIUI Global Stable V7.5.1.0.LHM for Redmi Note 3 MTK!

  http://en.miui.com/thread-313493-1-1.html